Meaning of RESILIENCY in English
noun the act of resiling, springing back, or rebounding; as, the resilience of a ball or of sound.
2. resiliency ·noun the mechanical work required to strain an elastic body, as a deflected beam, stretched spring, ·etc., to the elastic limit; also, the work performed by the body in recovering from such strain.
Webster English vocab. Английский словарь Webster. 2012